﻿<!DOCTYPE html>  
<html lang="en">  
<head>  
    <meta charset="utf-8">  
    <title>Multi-Borders</title>  
    <style>  
        body { background: #d2d1d0; }  
        #box {  
            background: #f4f4f4;  
            border: 1px solid #bbbbbb;  
            width: 200px;  
            height: 200px;  
            margin: 60px auto;  
            position: relative;  
        }  
        #box:before {  
            border: 1px solid white;  
            content: '';  
            width: 198px;  
            height: 198px;  
            position: absolute;  
        }  
         
    </style>  
</head>  
<body>  
    <div id="box"></div>  
</body>  
</html>